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Taxonomy
Family: Subfamily:
CASSIDAE: PHALIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Tonnoidea (Superfamily)
> Cassidae (Family)
> Phaliinae (Subfamily)
> Semicassis (Genus)
> labiata (Species)
Genus Synonyms:
=Cassis (Semicassis) Mörch, 1852
=Phalium (Semicassis) Mörch, 1852
=Phalium (Xenogalea) Iredale, 1927
=Semicassis (Xenophalium) Iredale, 1927
=Xenogalea Iredale, 1927
=Xenophalium Iredale, 1927
Synonymised Names:
=Cassidea labiata Perry, 1811
=Cassis achatina Lamarck, 1816
=Phalium (Xenogalea) labiatum (Perry, 1811)
=Phalium labiatum (Perry, 1811)
=Semicassis (Semicassis) labiata (Perry, 1811)
=Semicassis labiata iheringi (Carcelles, 1953)
=Semicassis labiata labiata (G. Perry, 1811)
=Xenogalea collactea Finlay, 1928
=Xenogalea insperata Iredale, 1927
Images: Semicassis labiata (Perry, 1811)
In pockets of fine gravel, off Northland, NZ. 84mm
(insperatum form) - In beach drift, Te Arai Point, Northland, NZ. 45mm
Holotype of Xenogalea collactea Finlay, collected Opotiki, Bay of Plenty, NZ (MA70851). © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
CASSIDAE: PHALIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Tonnoidea (Superfamily)
> Cassidae (Family)
> Phaliinae (Subfamily)
> Semicassis (Genus)
> labiata (Species)
Genus Synonyms:
=Cassis (Semicassis) Mörch, 1852
=Phalium (Semicassis) Mörch, 1852
=Phalium (Xenogalea) Iredale, 1927
=Semicassis (Xenophalium) Iredale, 1927
=Xenogalea Iredale, 1927
=Xenophalium Iredale, 1927
Synonymised Names:
=Cassidea labiata Perry, 1811
=Cassis achatina Lamarck, 1816
=Phalium (Xenogalea) labiatum (Perry, 1811)
=Phalium labiatum (Perry, 1811)
=Semicassis (Semicassis) labiata (Perry, 1811)
=Semicassis labiata iheringi (Carcelles, 1953)
=Semicassis labiata labiata (G. Perry, 1811)
=Xenogalea collactea Finlay, 1928
=Xenogalea insperata Iredale, 1927
Details: Semicassis labiata (Perry, 1811)
Size/Grows to:
Height 93mm, Width 58mm
Distribution:
Northern part of North Island to Mahia. Victoria to Queensland and Norfolk Island
Geographical Range:
AC
Notes:
Marine
Distribution Map
 
References and Publications
  • Morley, M.S., Hayward, B.W., Raven, J.L., Foreman, G.A., Grenfell, H.R. 2006 Intertidal and shallow subtidal biota of Mahia Peninsula, Hawkes Bay, Records of the Auckland Institute and Museum, 43 (p.35)
  • Smith, N. Oct/1995 Helmet Shells from Waihi Beach, Poirieria, 17(4)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.159)
  • Penniket, J.R. Mar/1973 Semicassis labiatum, Poirieria, 6(6)

Key to Geographical Ranges
NZ Map showing Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approximation of the range of each species within New Zealand.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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